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Finding the Fourth Proportional to 213,873.50, 295,114.53 and 118,379.96

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Solution

The fourth proportional to 213,873.50, 295,114.53 and 118,379.96 is: 163,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,873.50 : 295,114.53 = 118,379.96 : x
  2. Step 2: Convert to fraction form
    213,873.50/295,114.53 = 118,379.96/x
  3. Step 3: Cross multiply
    213,873.50x = 295,114.53 × 118,379.96
  4. Step 4: Simplify right side
    213,873.50x = 34,935,646,994.61
  5. Step 5: Solve for x
    x = 34,935,646,994.61/213,873.50
  6. Step 6: Final answer
    x = 163,347.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.